NDLI: Run-time instruction set selection in a transmutable embedded processor

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Run-time instruction set selection in a transmutable embedded processor

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Run-time instruction set selection in a transmutable embedded processor

Content Provider	ACM Digital Library
Author	Henkel, Jörg Shafique, Muhammad Bauer, Lars
Abstract	We are presenting a new concept of an application-specific processor that is capable of transmuting its instruction set according to non-predictive application behavior during run-time. In those scenarios, current (extensible) embedded processors are less efficient since they are not run-time adaptive. We have identified the instruction set selection to be a critical step to perform at run time and hence we focus this paper on that crucial part. Our paradigm conducts as many steps as possible at compile/design time and as little as necessary at run time with the constraint to provide a sufficient flexibility to react to non-predictive application behavior efficiently. We provide an in-depth analysis of our scheme and achieve a speed-up of up to 7.19x (average: 3.63x) compared to state-of-the-art adaptive approaches (like [19]). As an application, we have employed a whole H.264 video encoder though our scheme is by principle applicable to many other embedded applications. Our results are evaluated by an implementation of the instruction set selection for our transmutable processor on an FPGA platform.
Starting Page	56
Ending Page	61
Page Count	6
File Format	PDF
ISBN	9781605581156
ISSN	0738100X
DOI	10.1145/1391469.1391486
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-06-08
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Run-time adaptation Asip Reconfigurable computing Extensible embedded processors Special instruction
Content Type	Text
Resource Type	Article

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